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Criteria used for histological analysis of tertiary dentinogenesis.
| Histological evaluation | |
|---|---|
| Grade | Dentin bridge formation |
| 0 | No dentin bridge formation |
| 1 | Slight dentin bridge formation (dentin bridge formation covers 1/3 of exposed pulp) |
| 2 | Incomplete dentin bridge formation (dentin bridge formation covers 2/3 of exposed pulp) |
| 3 | Complete dentin bridge formation (dentin bridge formation completely covers exposed pulp) |
